"I know all those words, but that sentence makes no sense to me.""나는 저 단어 모두를 알고 있다. 하지만 저 문장은 내 상식으로는 이해가 가지 않는다." -- Matt GroeningFull-text search is a battle between precision—returning as few irrelevant documents as possible—and recall—returning as many relevant documents as possible. While matching only the exact words that the user has queried would be precise, it is not enough. We would m..